Motor Logic overload relays can be standalone devices or can be used on Type S full voltage non-reversing and reversing starters and combination starters. Motor Logic relays are ambient insensitive and self-powered. Designed to protect 50/60 Hz, three phase AC motors from overloads, phase unbalance and phase loss conditions. This replacement Motor Logic solid state overload relay is for use with Type S NEMA size 5 three pole starters. This Motor Logic solid state overload relay has a full load current rating of 90A to 270A. Maximum voltage rating of 600 V. The trip free operation will help the motor from overheating. Switch selectable from Class 10 to Class 20 overload trip. The visible trip indicator and trip test function make trouble shooting much quicker. Electrical remote reset is available. This overload relay is 8.25 inches tall, 7.75 inches wide and 7.38 inches deep. Motor Logic SSOLR are UL listed and CSA certified.